Mackinnon's first two collections were
Monterey Cypress(1998) and
The Coast of Bohemia (1991).His third,
The Jupiter Collisions (2003), contains among others two sequence-poems, one reflecting on the "restoration of all things" promised in the Bible. The author's childhood and adolescence, both in personal details and in the context of the 'Sixties (rock music, space travel, Minimalist art), prime numbers and a self-translating Anglo-French sonnet also appear. His fourth collection,
Small Hours, (2010) opens with the dramatic "Pigeons" and the comic "Canute". Elegy, wedding celebrations for friends and a rendering of Sappho confirm his increasing range, while the second half of the book is a long poem, "The Book of Emma", largely written in prose, commemorating a friend from university days but covering both memory and much that has happened since.
Small Hours was short-listed for the 2010 Forward Prize. He received a Gregory Award in 1986 and in 2011 a Cholmondeley Award. He also contributed to the
Bush Theatre's 2011 project
Sixty Six Books, for which he wrote a short play based on the
Acts of the Apostles in the
King James Bible Doves (2017) contains poems about poets, popular music, maths, television, Shakespeare's brothers, drugs and language, among other subjects; the title-poem is an elegy for
Seamus Heaney.
The Missing Months (2022) has at its centre "Lockdown", a sequence about Covid experience which moves in its references between
Homer,
Osip Mandelstam and the American singer
Miranda Lambert. Other poems explore a fear of cultural decline and a celebration of friendship and much else from the poet's consistently extending material. The development of his poetry to date is both formal and linguistic, as his diction becomes tougher, his forms more bare. ==Prose==